.viewer3d-container{background-color:#0d1117;border-radius:12px;justify-content:center;align-items:center;width:100%;height:100%;min-height:480px;display:flex;position:relative;overflow:hidden}.viewer3d-empty{color:var(--text-muted);-webkit-user-select:none;user-select:none;flex-direction:column;align-items:center;gap:1rem;display:flex}.viewer3d-empty-icon{opacity:.35;width:72px;height:72px}.viewer3d-empty h2{color:var(--foreground);font-size:1.25rem;font-weight:600}.viewer3d-empty p{text-align:center;max-width:320px;font-size:.9rem;line-height:1.5}.viewer3d-controls-hint{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid var(--border);color:var(--text-muted);pointer-events:none;background:#0a0a0acc;border-radius:8px;padding:6px 12px;font-size:.7rem;position:absolute;bottom:12px;right:12px}